Advertisements
Advertisements
प्रश्न
A ray of light passes from water to air. How does the speed of light change?
Advertisements
उत्तर
The speed of light increases as it passes from water to air.
APPEARS IN
संबंधित प्रश्न
Explain how spectrum is formed.
How does the angle of minimum deviation produces by a prism change with increase in :
the refracting angle of prism?
Draw a diagram to show the splitting of white light into its constituent colours.
Make the correct for each of the following :
With reference to the fig, the refractive index of the glass block is
Rewrite the following statement by selecting the correct option:
If a ray of light strikes a glass slab at an angle of 600 with the surface of the slab, the angle of incidence must be __________________.
Name the phenomenon responsible in the following case:
Apparent bending of a stick in water
Draw ray of light bending towards the normal while passing from air to glass. Label your diagrams.
The diagram shows the path of a ray of light through a rectangular glass block placed in a liquid of uniform density.
What is the angular, deviation of the emergent ray from the glass block with respect to the incident ray?
Write the approximate values of speed of light in (i) air and (ii) glass. Use these values to calculate the refractive index of glass with respect to air.
